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Thepotemich [5.8K]
2 years ago
10

class="latex-formula">

\tt Thanks! :)
Mathematics
2 answers:
Rzqust [24]2 years ago
8 0
X = -3

Solution:
Distribute
6(x)+(6)(-1)+-x=-21

Combine
(6x+-x) + (-6) = -21
5x + -6 = -21
5x - 6 = -21

Add 6 to both sides
5x -6 + 6 = -21 +6
5x = -15

Divide both sides by 5
5x/5 = -15/5
x = -3
zalisa [80]2 years ago
4 0

Step-by-step explanation:

Given that:

6(x - 1) - x = -21

Multiply the number outside of the brackets with numbers in the brackets on LHS.

⇛6x - 6 - x = -21

Shift constant from LHS to RHS, changing it's sign.

⇛6x - x = -21 + 6

Subtract the values on LHS and RHS.

⇛5x = -15

Shift the number 5 from LHS to RHS.

⇛x = -15/5

Therefore x = -3

Please let me know if you have any other questions.

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Need help with this !!!!
Aleksandr [31]

 y = - 4x + - 8 is equation of slope-intercept form.

What is in slope-intercept form?

  • Given the slope of the line and the intercept it forms with the y-axis, one of the mathematical forms used to derive the equation of a straight line is called the slope intercept form.
  • Y = mx + b, where m is the slope of the straight line and b is the y-intercept, is the slope intercept form.

the equation of slope - intercept form

                               y = mx + c

( -1 , -4 ) is point shown in graph

            slope = -y/x

                     = - ( -4)/-1  = 4/-1 = -4

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            - 4 = 4 + c

            c = - 4 - 4 = - 8

put value of c in the equation of slope - intercept form

             y = - 4x + - 8

Learn more about slope-intercept form

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Step-by-step explanation:

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hope it helps

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Step-by-step explanation:

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Step-by-step explanation:

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